Chem. Commun.

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A cage-based cationic body-centered tetragonal metal-organic framework: single-crystal to single-crystal transformation and selective uptake of organic dyes

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,370-372
DOI: 10.1039/C4CC07357F, CommunicationDi-ming Chen, Wei Shi, Peng Cheng
A cage-based cationic metal-organic framework shows interesting single-crystal-to-single-crystal transformation upon solvent exchange process and selective uptake of organic dyes.
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A Lewis acid activated reaction of Zn with EtI to promote highly enantioselective alkyne additions to aldehydes

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,358-361
DOI: 10.1039/C4CC08031A, CommunicationShan-yong Chen, Winnie Liu, Xuedan Wu, Jun Ying, Xiaoqi Yu, Lin Pu
Zn powder and EtI in the presence of (S)-BINOL and Ti(OiPr)4 promote highly enantioselective alkyne addition to aldehydes at rt to generate chiral propargylic alcohols.
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Long-term thiol monitoring in living cells using bioorthogonal chemistry

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,388-390
DOI: 10.1039/C4CC08396B, CommunicationLei Rong, Chi Zhang, Qi Lei, Hua-Ling Sun, Si-Yong Qin, Jun Feng, Xian-Zheng Zhang
A bioorthogonal chemistry based fluorescent probe is reported, which is capable of monitoring intracellular thiols in living cells on a 36 hour timescale with an obvious blue-to-green fluorescence change.
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Central-axial-central chirality transfer: asymmetric synthesis of highly substituted indenes bearing a stereogenic quaternary carbon center from optically active propargyl alcohols

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,380-383
DOI: 10.1039/C4CC08034C, CommunicationMasahiro Egi, Kaori Shimizu, Marin Kamiya, Yuya Ota, Shuji Akai
An asymmetric synthesis of highly substituted indenes has been developed via the central-axial-central chirality transfer from optically active propargyl alcohols.
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Magnetic cellulose-TiO2 nanocomposite microspheres for highly selective enrichment of phosphopeptides

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,338-341
DOI: 10.1039/C4CC08442J, CommunicationJiangjiang Duan, Xiaomei He, Lina Zhang
Novel magnetic cellulose-TiO2 nanocomposite microspheres were prepared successfully by in situ synthesis of TiO2 nanoparticles in the micro/nanopores of cellulose-Fe3O4 microsphere, which exhibited highly selective enrichment of trace phosphopeptides, as a result of the high-efficiency Lewis acid-base reaction.
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A novel fluorene-based aggregation-induced emission (AIE)-active gold(I) complex with crystallization-induced emission enhancement (CIEE) and reversible mechanochromism characteristics

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,326-329
DOI: 10.1039/C4CC08087D, CommunicationZhao Chen, Jing Zhang, Min Song, Jun Yin, Guang-Ao Yu, Sheng Hua Liu
A novel fluorene-based AIE-active gold(I) complex is reported. The luminogen exhibits a CIEE effect and reversible mechanochromism behavior.
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Bifunctional covalent organic frameworks with two dimensional organocatalytic micropores

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,310-313
DOI: 10.1039/C4CC07104B, CommunicationDigambar Balaji Shinde, Sharath Kandambeth, Pradip Pachfule, Raya Rahul Kumar, Rahul Banerjee
We report the successful incorporation of bifunctional (acid/base) catalytic sites in the crystalline organocatalytic porous COF (2,3-DhaTph). Due to the presence of acidic (catachol) and basic (porphyrin) sites, 2,3-DhaTph shows significant selectivity, reusability, and excellent ability to perform the cascade reaction.
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CO2 and temperature dual responsive "Smart" MXene phases

9 December, 2014 - 01:55

Chem. Commun., 2015, 51,314-317
DOI: 10.1039/C4CC07220K, CommunicationJing Chen, Ke Chen, Dingyi Tong, Youju Huang, Jiawei Zhang, Jianming Xue, Qing Huang, Tao Chen
CO2 and temperature responsive properties of PDMAEMA allow V2C@PDMAEMA to be used as a smart hybrid system in sensing applications.
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A straightforward alkynylation of Li and Mg metalated heterocycles with sulfonylacetylenes

9 December, 2014 - 01:54

Chem. Commun., 2015, 51,346-349
DOI: 10.1039/C4CC07574A, CommunicationLeyre Marzo, Ignacio Perez, Francisco Yuste, Jose Aleman, Jose Luis Garcia Ruano
Coupling of alkynyl moieties to heterocyclic rings, without using transition metals, can be easily performed by the reaction of aryl or heteroaryl sulfonylacetylenes with heteroaryl-Li compounds or their corresponding less reactive magnesium derivatives.
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A time-resolved luminescence biosensor assay for anaplastic lymphoma kinase (ALK) activity

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,362-365
DOI: 10.1039/C4CC07453J, CommunicationWei Cui, Laurie L. Parker
A generalizable strategy that combines time-resolved luminescence measurement and peptide substrate provides novel kinase assay for drug screening applications.
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Titania photocatalysis through two-photon band-gap excitation with built-in rhodium redox mediator

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,298-301
DOI: 10.1039/C4CC07049F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Joanna Kuncewicz, Bunsho Ohtani
Titania particles modified with an extremely small amount (<0.01 mol%) of a rhodium species exhibited photocatalytic activity for the oxidative decomposition of acetaldehyde in air under visible-light irradiation. The reaction proceeded via a two-photon band-gap excitation mechanism with a built-in Rh(III)-Rh(IV) redox couple.
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Out of the active site binding pocket for carbonic anhydrase inhibitors

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,302-305
DOI: 10.1039/C4CC07320G, CommunicationKatia D'Ambrosio, Simone Carradori, Simona M. Monti, Martina Buonanno, Daniela Secci, Daniela Vullo, Claudiu T. Supuran, Giuseppina De Simone
2-Benzylsulfinylbenzoic acid binds to human carbonic anhydrase II in a mode completely different from any other class of carbonic anhydrase inhibitors investigated so far.
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Refractive index dependent real-time plasmonic nanoprobes on a single silver nanocube for ultrasensitive detection of the lung cancer-associated miRNAs

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,294-297
DOI: 10.1039/C4CC06663D, CommunicationLei Zhang, Ying Zhang, Yanling Hu, Quli Fan, Wenjing Yang, Anran Li, Shuzhou Li, Wei Huang, Lianhui Wang
We developed a novel method for the real-time monitoring of the delicate change in refractive index (RI) when DNA or RNA hybridize near a DNA-capped silver nanocube (AgNC) surface.
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Framework stabilization of Si-rich LTA zeolite prepared in organic-free media

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,269-272
DOI: 10.1039/C4CC07396G, CommunicationMarlon T. Conato, Matthew D. Oleksiak, B. Peter McGrail, Radha K. Motkuri, Jeffrey D. Rimer
Zeolite HOU-2 (LTA type) is prepared with the highest silica content (Si/Al = 2.1) reported for organic-free syntheses.
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Reversible activation of pH-sensitive cell penetrating peptides attached to gold surfaces

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,273-275
DOI: 10.1039/C4CC07278B, CommunicationJoe E. Baio, Denise Schach, Adrian V. Fuchs, Lars Schmuser, Nils Billecke, Christoph Bubeck, Katharina Landfester, Mischa Bonn, Michael Bruns, Clemens K. Weiss, Tobias Weidner
Here, we demonstrate that a fusion protein mimic, designed to achieve a reversible, pH-driven helix-coil transition mechanism, retain its functionality when covalently bound to a surface.
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Recent development of synthetic preparation methods for guanidines via transition metal catalysis

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,254-265
DOI: 10.1039/C4CC05291A, Feature ArticleWen-Xiong Zhang, Ling Xu, Zhenfeng Xi
This article provides an overview of guanidine synthesis via transition-metal-catalyzed reactions including cycloaddition, guanylation and tandem guanylation/cyclization.
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The sulfur-bubble template-mediated synthesis of uniform porous g-C3N4 with superior photocatalytic performance

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,425-427
DOI: 10.1039/C4CC07106A, CommunicationFang He, Gang Chen, Yaoguang Yu, Yansong Zhou, Yi Zheng, Sue Hao
Uniform porous sulfur-mediated g-C3N4 has been obtained using a facile sulfur-bubble template-mediated approach and exhibits superior photocatalytic performance.
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Visible light-induced difunctionalization of electron-enriched styrenes: synthesis of tetrahydrofurans and tetrahydropyrans

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,399-401
DOI: 10.1039/C4CC08221D, CommunicationRun Lin, Hongnan Sun, Chao Yang, Wenbo Shen, Wujiong Xia
The difunctionalization of electron-enriched styrenes for the synthesis of substituted tetrahydrofurans and tetrahydropyrans in the presence of photoredox catalysts is described.
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Expanding the chemical diversity of lasso peptide MccJ25 with genetically encoded noncanonical amino acids

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,409-412
DOI: 10.1039/C4CC07778D, CommunicationFrank J. Piscotta, Jeffery M. Tharp, Wenshe R. Liu, A. James Link
Non-canonical amino acids have been introduced to the lasso peptide microcin J25.
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Tuning intramolecular electron and energy transfer processes in novel conjugates of La2@C80 and electron accepting subphthalocyanines

7 December, 2014 - 01:17

Chem. Commun., 2015, 51,330-333
DOI: 10.1039/C4CC08072F, CommunicationLai Feng, Marc Rudolf, Olga Trukhina, Zdenek Slanina, Filip Uhlik, Xing Lu, Tomas Torres, Dirk M. Guldi, Takeshi Akasaka
Two conjugates with La2@C80 and subphthalocyanine (SubPc) have been prepared and characterized. The strong electron-donating character of La2@C80 is revealed by a series of photophysics studies.
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